Robert J. Youngquist

Person

Camarillo, CA, US

People

Patents Grantslast 30 patents

Information Patent Grant
Head assembly having a single pass servo writer
- Patent number 6,330,123
- Issue date Dec 11, 2001
- Imation Corp.
- Theodore A. Schwarz
- G11 - INFORMATION STORAGE
Information Patent Grant
Encoded servo track configurations, servo writer and systems/method...
- Patent number 6,134,070
- Issue date Oct 17, 2000
- Imation Corp.
- Hung T. Tran
- G11 - INFORMATION STORAGE
Information Patent Grant
Head assembly having a single pass servo writer
- Patent number 6,091,565
- Issue date Jul 18, 2000
- Imation Corp.
- Theodore A. Schwarz
- G11 - INFORMATION STORAGE
Information Patent Grant
Method of identifying magnetic tape characteristics
- Patent number 6,025,967
- Issue date Feb 15, 2000
- Imation Corp.
- Leroy Kuta
- G11 - INFORMATION STORAGE
Information Patent Grant
Tape servo system and methods, write/read heads, and servo track co...
- Patent number 5,946,156
- Issue date Aug 31, 1999
- Imation Corp.
- Theodore A. Schwarz
- G11 - INFORMATION STORAGE
Information Patent Grant
Track pitch error compensation system for data cartridge tape drives
- Patent number 5,675,448
- Issue date Oct 7, 1997
- Imation Corp.
- Richard W. Molstad
- G11 - INFORMATION STORAGE
Information Patent Grant
Track servo control method for data cartridge tape drives
- Patent number 5,661,616
- Issue date Aug 26, 1997
- Imation Corp.
- Hung T. Tran
- G11 - INFORMATION STORAGE
Information Patent Grant
Direct file access system for magnetic tape
- Patent number 5,572,378
- Issue date Nov 5, 1996
- Imation Corp.
- Theodore A. Schwarz
- G11 - INFORMATION STORAGE
Information Patent Grant
Head-tape alignment system and method
- Patent number 5,450,257
- Issue date Sep 12, 1995
- Minnesota Mining and Manufacturing Company
- Hung T. Tran
- G11 - INFORMATION STORAGE
Information Patent Grant
Balanced cantilevered head positioning mechanism for multitrack tap...
- Patent number 5,434,732
- Issue date Jul 18, 1995
- Minnesota Mining and Manufacturing Company
- Theodore A. Schwarz
- G11 - INFORMATION STORAGE
Information Patent Grant
Servo positioning system for magnetic recording media
- Patent number 5,426,543
- Issue date Jun 20, 1995
- Minnesota Mining and Manufacturing Company
- Bennett G. Dy
- G11 - INFORMATION STORAGE
Information Patent Grant
Method and system for minimizing the error rate of a digital record...
- Patent number 5,390,054
- Issue date Feb 14, 1995
- Minnesota Mining and Manufacturing Company
- Robert Youngquist
- G11 - INFORMATION STORAGE
Information Patent Grant
Method and apparatus for amplitude compensated write equalization
- Patent number 5,339,202
- Issue date Aug 16, 1994
- Minnesota Mining and Manufacturing Company
- John E. Heinz
- G11 - INFORMATION STORAGE
Information Patent Grant
Combined stepper motor and voice coil head positioning apparatus
- Patent number 5,280,402
- Issue date Jan 18, 1994
- Minnesota Mining and Manufacturing Company
- James S. Anderson
- G11 - INFORMATION STORAGE
Information Patent Grant
Multi-track servo recording head assembly
- Patent number 5,229,895
- Issue date Jul 20, 1993
- Minnesota Mining and Manufacturing Company
- Theodore A. Schwarz
- G11 - INFORMATION STORAGE
Information Patent Grant
Method and apparatus for reading or writing on tape using a servo p...
- Patent number 5,008,765
- Issue date Apr 16, 1991
- Minnesota Mining and Manufacturing Company
- Robert J. Youngquist
- G11 - INFORMATION STORAGE
Information Patent Grant
Single track orthogonal error correction system
- Patent number 4,791,643
- Issue date Dec 13, 1988
- Minnesota Mining and Manufacturing Company
- Richard W. Molstad
- G11 - INFORMATION STORAGE
Information Patent Grant
Bipolar digital to analog converter
- Patent number 4,473,818
- Issue date Sep 25, 1984
- Minnesota Mining and Manufacturing Company
- Robert J. Youngquist
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Editor for combining digitally recorded audio signals
- Patent number 4,351,007
- Issue date Sep 21, 1982
- Minnesota Mining and Manufacturing Company
- Robert J. Youngquist
- G11 - INFORMATION STORAGE
Information Patent Grant
Format for digital tape recorder
- Patent number 4,292,684
- Issue date Sep 29, 1981
- Minnesota Mining and Manufacturing Company
- Michael J. Kelly
- G11 - INFORMATION STORAGE
Information Patent Grant
Method of making multitrack heads
- Patent number 3,999,286
- Issue date Dec 28, 1976
- Minnesota Mining and Manufacturing Company
- Harvey J. Richardson
- G11 - INFORMATION STORAGE
Information Patent Grant
Automatic tracking signal analyzer
- Patent number 3,978,403
- Issue date Aug 31, 1976
- Minnesota Mining and Manufacturing Company
- Richard S. Mansfield
- G01 - MEASURING TESTING

Robert J. Youngquist

Person

Patents Grantslast 30 patents

Head assembly having a single pass servo writer

Encoded servo track configurations, servo writer and systems/method...

Head assembly having a single pass servo writer

Method of identifying magnetic tape characteristics

Tape servo system and methods, write/read heads, and servo track co...

Track pitch error compensation system for data cartridge tape drives

Track servo control method for data cartridge tape drives

Direct file access system for magnetic tape

Head-tape alignment system and method

Balanced cantilevered head positioning mechanism for multitrack tap...

Servo positioning system for magnetic recording media

Method and system for minimizing the error rate of a digital record...

Method and apparatus for amplitude compensated write equalization

Combined stepper motor and voice coil head positioning apparatus

Multi-track servo recording head assembly

Method and apparatus for reading or writing on tape using a servo p...

Single track orthogonal error correction system

Bipolar digital to analog converter

Editor for combining digitally recorded audio signals

Format for digital tape recorder

Method of making multitrack heads

Automatic tracking signal analyzer